Premium
What's new in K-9 Mail 5.706
Unified Inbox is now opened by default (if enabled)
Back button now opens default folder before exiting the app
Fixed bug where the input area for the message body wasn't growing properly
Keep read position when switching apps
Don't open external links inside the app on old Android/WebView versions
Update "auto BCC" recipients when switching accounts in message compose window
Fixed UI bug where BCC recipient and the date overlapped when viewing messages
Fixed bug that lead to display of inaccurate attachment sizes
Opt out of anonymous WebView metrics collection
Removed automatic display of "What's New" dialog because of display issues
Updated translations
About K-9 Mail 5.706
K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures, BCC-self, PGP/MIME & more!
Premium
K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).
Install the app "OpenKeychain: Easy PGP" to encrypt/decrypt your emails using OpenPGP.
K-9 is a community developed project. If you're interested in helping to make the most popular open source email client on Android even better, please join us! You can find our bug tracker, source code, mailing list and wiki at github.com/k9mail/k-9
We're always happy to welcome new developers, designers, documenters, bug triagers and friends.
If you're having trouble with K-9, please report a bug at github.com/k9mail/k-9 rather than just leaving a one-star review. We don't mind you telling the world that you're frustrated, but if you use our bug tracker, we have a better chance of fixing whatever's giving you a hard time.
You can find K-9's release notes at: bit.ly/new-k9
(People sometimes call K-9: K9, K9 Mail, K-9 Email, K9 Email, K9 E-Mail, k9mail or k9email.)
Download K-9 Mail 5.706
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:9.0
Uploaded:March 24, 2025 at 1:58PM UTC
File size:10.13 MB
Version:9.0b3
Uploaded:December 16, 2024 at 7:06PM UTC
File size:10.13 MB
Downloads:93
Version:8.2
Uploaded:December 12, 2024 at 2:07PM UTC
File size:10.66 MB
Downloads:174
Version:8.1
Uploaded:November 8, 2024 at 10:51AM UTC
File size:10.07 MB
Downloads:152
Version:8.0
Uploaded:October 30, 2024 at 5:20PM UTC
File size:10.06 MB
Downloads:120
Version:8.0b5
Uploaded:October 30, 2024 at 6:41AM UTC
File size:10.06 MB
Downloads:34
Version:8.0b4
Uploaded:October 23, 2024 at 12:41AM UTC
File size:10.21 MB
Downloads:47
Version:8.0b3
Uploaded:October 16, 2024 at 9:49AM UTC
File size:10.72 MB
Downloads:48
Version:8.0b2
Uploaded:October 9, 2024 at 6:56PM UTC
File size:10.7 MB
Downloads:51
Version:8.0b1
Uploaded:October 7, 2024 at 6:07AM UTC
File size:10.34 MB
Downloads:34
Version:6.904
Uploaded:June 27, 2024 at 6:08PM UTC
File size:10.01 MB
Downloads:285
